def triangle(a,b,c):
    if(a+b>c and a+c>b and b+c>a):
        print('可以组成三角形' ,a,b,c)
        if(a==b==c):
            print("等边三角形")
        elif (a == b or a == c or b == c):
            print("等腰三角形")
        elif(a**2+b**2==c**2 or a**2+c**2==b**2 or c**2+b**2==a**2):
            print("直角三角形")
        else:
            print("普通三角形")
    else:
        print("不能组成三角形")

if __name__=="__main__":
    print("Please Input Three Number:")
    x=input("A number:",)
    y=input("B number:",)
    z=input("C number:",)
    triangle(int(x),int(y),int(z))